3/8-16 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

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10 x 3 Simpson Bugle-Head Wood Decking Screws - 6-Lobe Drive 305 SS - Bulk Pail (1500)

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7/16-14 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) 3/4-16 Grade 5 Hex Cap Screws Zinc Plated 3/8-16 x 4 1/2 Grade7 16 14 x 4 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) . Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum